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Medium-voltage switchgear

5-15 kV Medium-voltage metal-enclosed load interrupter switchgear

Eaton’s MVS medium-voltage switchgear provides safe, reliable switching and fault protection. The metal enclosed assembly - consisting of a 5-15kV switch, bus and fuses - is designed to meet the requirements of a wide range of industries such as healthcare, data center, industrial, utility, mining and commercial. 

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VOLTAGE CLASS
up to 15 kV
CONTINUOUS CURRENT
up to 1200 A
INTERRUPT RATING
up to 63 kAIC

Core features

  • Available in stand-alone or line-ups, with indoor and outdoor configurations 

  • Meets or exceeds IEEE C37.20.3 for metal-enclosed switchgear 

  • Meets or exceeds NEMA SG5 and NEMA SG6

  • Quick-make, quick-break mechanism drives switch blades at high speed into either open or closed position   

  • Switches can be supplied with manual or electrical operating mechanisms and with or without primary fuses 

  • Can eliminate the need for protective clothing around the perimeter of electrical distribution equipment

  • Door interlocks ensure that the switch and fuse panels remain closed unless the switch is opened  

  • Viewing window provides clear, visible confirmation of disconnected switch contacts 

View design guide (layouts, technical data and application information)

Download guide spec (26 13 16 13)

Learn more about power system design basics

Image gallery

Scroll to view various images of 5-15 kV medium-voltage switchgear

Verifying switch operation during testing
5-15 kV switch transition to transformer coupling section
5-15 kV switch with door open
Mini MVS door open showing switch mechanism
Rear access with door open on 5-15 kV switch

Powerful switch protection

With the ability to manually cut off the power supply to a certain area or equipment, MVS switches are ideal for applications such as transformer primaries, duplex switches and selector switches. They are available in both stand-alone or line-ups.

Exceptional interrupting capabilities

The quick-make, quick-break mechanism on the medium-voltage switch provides full-load current interrupting capability, while fuses deliver accurate, permanently calibrated short circuit detecting and interrupting capabilities.

Safety is our top priority

Eaton’s medium-voltage switch includes numerous safety features, including a high-impact viewing window that allows visibility of actual blade position, door interlocks, switch interlocks, and grounded metal barrier.

Mini-MVS offers 5 kV protection in a small footprint

Seismically qualified and just 26 inches wide, Eaton’s Mini-MVS switchgear is rated 200 amperes at 5 kV, making it ideal for use in power distribution, transformer primary connections and isolation applications requiring a stand-alone assembly, cable in/cable out terminations and manual operation.

Safeguard against switching transients

Ohmic voltage sensing (OVS) increases reliability over traditional  core and coil voltage transformers. Watch this brief video for an overview of the benefits of including an OVS system to protect against damaging transients.  
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